Li and Jen went shopping. • Li bought 5 pairs of earrings and 1 necklace for a total of $56.
• Jen bought 1 pair of earrings and 2 necklaces for a total of $40.

Each pair of earrings cost e dollars and each necklace cost n dollars. Which system of equations can be used to find the cost, in dollars, of each pair of earrings and each necklace?
A.
5e + 2n = $56
e + n = $40

B.
5e + n = $56
e + 2n = $40

C.
e + 5n = $56
e + 2n = $40

D.
5e + n = $56
2e + n = $40